version: 2 models: - name: stg_registrations description: "Staging model that cleans and organizes registration data before further transformations." columns: - name: visit_id description: "A numeric identifier for a single website visit." tests: - not_null - unique - name: user_id description: "A unique identifier for the user, typically a UUID." tests: - not_null - name: registered_at description: "A timestamp indicating when the user registered." tests: - not_null